our $grammars;
$combinations = [ [ '
                      --gendata_sql=conf/mariadb/table_stress.sql --reporter=ErrorLog,Backtrace --queries=1000000 --engine=Innodb --threads=8 --duration=300 --basedir1=/home/mleich/Server/10.3/bld_debug --gendata=conf/mariadb/table_stress.zz
                      --mysqld=--loose-idle_write_transaction_timeout=0 --mysqld=--loose_innodb_lock_schedule_algorithm=fcfs --mysqld=--lock-wait-timeout=86400 --mysqld=--loose-idle_readonly_transaction_timeout=0 --mysqld=--net_read_timeout=30 --mysqld=--slave_net_timeout=60 --mysqld=--connect_timeout=60 --mysqld=--interactive_timeout=28800 --mysqld=--net_write_timeout=60 --mysqld=--loose-table_lock_wait_timeout=50 --mysqld=--loose_innodb_use_native_aio=0 --mysqld=--log-output=none --mysqld=--loose-idle_transaction_timeout=0 --mysqld=--innodb-lock-wait-timeout=50 --mysqld=--innodb_stats_persistent=off --mysqld=--wait_timeout=28800
                      --no-mask --seed=random
                        --whitelist_statuses="\'STATUS_SERVER_CRASHED\'" --whitelist_patterns="\'<signal handler called>\'" --blacklist_statuses="\'STATUS_OK\'" --blacklist_patterns="\'Sentence is now longer than .{1,10} symbols. Possible endless loop in grammar. Aborting.\',\'\[ERROR\] InnoDB: preallocating .{1,120} with error 28\',\'  is truncated: expected core file size \'"
                    ' ] ];